The US Motors U5V1BC (Model JJ99) is a 5 HP three-phase definite purpose ACCU-SERIES motor rated for 230/460 V, 60 Hz, 3525 RPM. It features a TEFC enclosure, a 184 frame and horz-footed mounting. Additional features include three phase totally enclosed fan cooled (TEFC), UNIMOUNT inverter duty, 20:1 (3-60 HZ) speed range variable torque and 5:1 (12-60 hz) speed range constant torque.